Window-polishing device



July 3 1 1923- M. MADSEN WINDOW POLISHING DEVICE Filed Oct. 6. 1921 Patented July 31, 1923.

UNITED STATES PATENT OFFICE.

:"MARTIN MADSEN, OF CASMALIA, CALIFORNIA.

WINDOW-POLISHING DEVICE.

Application filed October 6, 1921.

" already in position or can be made the reg ular equipment of the Windows before the same are put in a building.

As is well known, in tall buildings, men that clean Windows generally stand on the outer sill of the Window to clean the outside of the glass, which position is exceed ingly dangerous and it is the object of this invention to provide a suitable mechanical polisher that Will not necessitate the open ator climbing outside on the sill.

A further object is to provide such a structure with removable cleaning elements so that one set of the same may be used to clean any number of windows; nd to also provide a suitable mechanism "y which a motor may be very readily and quickly attached so as to operate said cleaning elements.

W'ith the foregoing and other objects in view my invention consists in certain novel features of construction and arrangement of parts that will be hereinafter more fully described and claimed and illustrated in the accompanying drawings in which:

Fig. 1 is a front elevation of a Window showing my improved polishing device in position.

Fig. 2 is a transverse section on line 2.2 of Fig. 1.

Fig. 3 is a section similar to Fig. 2 only showing the cleaning elements in position for the inner window.

Fig. 4, is an enlarged on line 4--4 of Fig. 1.

Fig. 5 is a transverse section on line 55 of Fig. 4.

To illustrate a practical embodiment of my invention l have shown my improved window polishing device attached to a win (low which includes thc usual cascmcnl member formed of the window jain is l mounted Within the Window opening 2. sill horizontal section Serial No. 505,734.

3, lintel 4 and having the usual parting strip 5 in the Window jarnb.

Stiles 6 are adapted to fit against the studs 7 of the building and the usual casing members 8 cover the usual vertical chamber 9 in which the the Windows 10 are positioned. The window 10 can be of any ordinary construction here shown as having a top and lowerrail and stiles connecting the same with the WindoW glass 11 positioned therein by any ordinary construction.

The necessary means for mechanically cleaning the Window comprises substantially revolving cleaning elements 12 suitably rotated and supported against the inner and outer faces of the window pane. These cleaning elements may be made of felt or any other suitable material that Would not scratch the window or transmit unnecessary shocks which might break the Window and to make a highly polished surface these elements could be covered with cheese cloth or some similar material.

Longitudinal ribs 13 are formed on the surface of the cleaners so as to remove dirt or any other foreign material from the pane of the window. These elements are sup- Iported upon shafts 14 having a straight caring portion 15 at one end and a socket joint 16 at its opposite end and suitable means are provided for rotatably supporting the end 15 in one side of the easement member and other means positioned in the other side of the easement member are adapted to engage the socket 16 and rotate the cleaning elements simultaneously.

The means for supporting the ends 15 comprise substantially a rectangular structure 17 adapted to fit Within the chamber 9 and transversely across the same. Apertures 18 are formed in the inner side of the structure 17 which aligns with apertures 19 formed in the Window jambs on each side of and also in the parting strip. It is obvious of course that the apertures 19 adapted to receive the ends 15 of the shafts of the cleaning elements, may be slightly larger in diameter so that the same may be easily inserted.

Apcrtures 20 are formed on the rear side of the structure 17 and adapted to slidably support a bearing member 21 which has a recess 29 in which the ends 15 of the shafts are adapted to be seated.

counter Weights of i Thus it is seen that as the outer pane such is shown in Fig; 2 is to be cleaned, the

the same the bearing members may be made to. yield as by the coil springs 23 which will allow the socket member 16' t0 pass beyond the end of actuating shafts 24 which pro ject outwardly from the chamber 9 of the opposite casement member and directly opposed to the apertures 19 of the other casement member.

The actuating shafts like the bearing supports are three in number, but it will be understood that with different types of windo s that any desired number or combination could be used, and are herein shown as being transversely disposed within the window jambs as both windows can be very efficiently cleaned by the use of only three actuating shafts and bearing supports.

Any suitable means can be provided for simultaneously operating the actuating shafts and such means is here shown as com prising a gear support 24' suitably fastened to the inner side of the window jamb and having side members in which the shafts 24 are suitably journaled as at 25. Mounted on the shafts intermediate the side mem r are worm wheels 26 and a transverseshaft 27 extends below the worm, wheels and has worms 27 mounted thereon and adapted to engage the under side of the worm wheels. This shaft can be suitably journaled in the end members of the bearing support as at 28 and one end can project outwardly through the casement members 8 into the room so that suitable operating means may be fastened to the end of the shaft within the room he shaft is shown as having a detachable ratchet engagement 29 with an electric motor SO and it is thus seen that the motor can be very readily applied so as to operate the actuating rods 24 which in turn will rotate the cleaning elements, and to clean the entire surface of the pane the sash may be shifted up and down while the cleaning elements are rotating and it will thus be seen that the window can be very quickly and eiiiciently cleaned with out endangering the life of the operator.

After the outer pane has been cleaned. the cleaning elements can be removed and the outer sash shoved up to its height and the inner sash lowered as shown in Fig. 3, then the cleaning elements may be inserted within the center and inner bearing Supports and also on the respective actuating shafts and the operation repeated.

Various changes may be made in the details of construct-ion by those skilled in the art without departing from the spirit of my invention as set forth in the appended claims.

'What is claimed is:

l. The combination with a window slidably supported in a casement member, of a cleaning element extending across the pane of said window and having contact with the same, one end of said element adapted to be rotatably journaled in a yieldable bearing support mounted in one side of said casement, the other end of the element having detachable non-rotatable engagement with a rotatable shaft mounted in the opposite side of said casement, mechanism for rotating said shaft, and means for actuating said mechanism from the inner side of said casement member.

2. A window cleaning device comprising a pair of window cleaning elements, and means for rotatably and detachably supporting said elements in cleaning positions with respect to the opposite sides oi either lass of a window, one of said elements bemg supported in cleaning relation to the adjacent side of the other glass.

3. A window cleaning device comprising a pair of window cleaning elements, and means for rotatably and detachably supporting said elements in cleaning positions with respect to the opposite sides of either glass of a window, one of said elements bemg supported in cleaning relation to the adjacent side of the other glass, and a common means for rotating the cleaning elements in any of their positions.

t. A window cleaning device comprising a supporting structure, bearing members slidable in the supporting structure, rotatable supporting shafts, rotatable cleaning elements. shafts for carrying the cleaning elements engaging the bearing members at one end and the first mentioned shafts at the other; means for actuating the first shafts to eliect rotation of the cleaning elements and means for vieldably urging the bearing members in the direction of the second shafts for the purpose described.

in testimony whereof I have signed my IHlIHl to this specification.

MARTIN M ADSEN. 

